Dollar Bill Supermarket is one of the best in the city. However, shoppers prefer other supermarkets to it as there is always a long queue at the billing counter. The outdated billing registers make the entire process inefficient. Which of the following steps should the supermarket management take to improve the billing process?

A) limit the number of products customers can buy
B) limit the number of customers in the supermarket
C) change the process structure
D) change process resources

Your sister turned 35 today, and she is planning to save $60,000 per year for retirement, with the first deposit to be made one year from today. she will invest in a mutual fund that's expected to provide a return of 7.5% per year. she plans to retire 30 years from today, when she turns 65, and she expects to live for 25 years after retirement, to age 90. under these assumptions, how much can she spend each year after she retires? her first withdrawal will be made at the end of her first retirement year.